Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Para Laps menores que 6, para o que o Grid soma?
 ###Tabelas: CREATE TABLE 2009_data (2009_data_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Airport VARCHAR, Total Passengers INT, % Change 2008/2009 VARCHAR, International Passengers INT, Domestic Passengers INT, Transit Passengers INT, Aircraft Movements INT, Freight ( Metric Tonnes ) INT) CREATE TABLE first_line_series (first_line_series_id AUTO_INCREMENT PRIMARY KEY, Airing date VARCHAR, English title (Chinese title) VARCHAR, Number of episodes INT, Theme song (T) Sub-theme song (ST) VARCHAR, Genre VARCHAR) CREATE TABLE region_rank_by_number_of_wins (region_rank_by_number_of_wins_id AUTO_INCREMENT PRIMARY KEY, Region Represented VARCHAR, First Place INT, Second Place INT, Third Place INT, Total Top 3 Placements INT, First Place Winning Year(s) (if applicable) VARCHAR) CREATE TABLE fixtures_and_results (fixtures_and_results_id AUTO_INCREMENT PRIMARY KEY, Competition VARCHAR, Round VARCHAR, Opponent VARCHAR, Result VARCHAR, Score VARCHAR, Home/Away VARCHAR, Venue VARCHAR, Attendance VARCHAR, Date VARCHAR) CREATE TABLE classification (classification_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Constructor VARCHAR, Laps INT, Time/Retired VARCHAR, Grid INT)  
SELECT SUM Grid FROM classification WHERE Laps < 6